mk712 Integrated Device Technology, mk712 Datasheet - Page 12

• Manufacturer Part Number: mk712
• Description: Touch Screen Controller
• Manufacturer: Integrated Device Technology

AC Electrical Characteristics
IDT™ / ICS™ TOUCH SCREEN CONTROLLER
MK712
TOUCH SCREEN CONTROLLER
Unless stated otherwise,VDD = 3.3 V or 5 V, T
+85°C (automotive)
Note 1: Consult with ICS about the best device to use to generate the input clock.
Note 2: With no missing codes.
Note 3: Assumes no 14.3 MHz input clock overshoot, 300Ω screen, 100 PPS.
Note 4: Assumes no 14.3 MHz input clock overshoot, no touch.
Note 5: With no touch, no clock.
Input Clock Frequency, pin 18
Input Clock Duty Cycle, pin 18
Output Rise Time
Output Fall Time
Resolution
Non-linearity
Touch Screen Resistance
Parameter
Symbol
t
t
OR
OF
Note 1
At 1.5 V
0.8 to 2.0 V, VDD=5 V
2.0 to 0.8 V, VDD=5 V
Monotonic, Note 2
A
= 0 to +70°C (commercial), -30°C to +70°C (industrial), -35°C to
Conditions
12
Min.
100
12
25
14.32
Typ.
TOUCH SCREEN CONTROL
MK712
Max.
2000
20
75
12
±2
3
3
Units
MHz
LSB
bits
ns
ns
%
Ω
REV L 070805